Finding the Third Proportional to 1,247,862 and 2,684,869

Step by Step Solution

1. Step 1: Write the proportion equation
   1,247,862 : 2,684,869 = 2,684,869 : x
2. Step 2: Convert to fraction form
   1,247,862/2,684,869 = 2,684,869/x
3. Step 3: Cross multiply
   1,247,862x = 2,684,869 × 2,684,869
4. Step 4: Simplify right side
   1,247,862x = 7,208,521,547,161
5. Step 5: Solve for x
   x = 7,208,521,547,161/1,247,862
6. Step 6: Final answer
   x = 5,776,697.70